-/* $Id$tag */
-
/* smpi_mpi_dt.c -- MPI primitives to handle datatypes */
-
-/* Note: a very incomplete implementation */
+/* FIXME: a very incomplete implementation */
-/* Copyright (c) 2009 Stephane Genaud. */
-/* All rights reserved. */
+/* Copyright (c) 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- * * under the terms of the license (GNU LGPL) which comes with this package. */
-
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include <stdio.h>
#include <stdlib.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi_dt, smpi,
"Logging specific to SMPI (datatype)");
+typedef struct s_smpi_mpi_datatype {
+ size_t size;
+ MPI_Aint lb;
+ MPI_Aint ub;
+ int flags;
+} s_smpi_mpi_datatype_t;
-/**
- * Get the lower bound and extent for a Datatype
- * The extent of a datatype is defined to be the span from the first byte to the last byte
- * occupied by entries in this datatype, rounded up to satisfy alignment requirements (epsilon).
- *
- * For typemap T = {(t_0,disp_0), ..., (t_n-1,disp_n-1)}
- * lb(T) = min_j disp_j
- * ub(T) = max_j (disp_j+sizeof(t_j)) + epsilon
- * extent(T) = ub(T) - lb(T)
- *
- * FIXME: this an incomplete implementation as we do not support yet MPI_Type_commit.
- * Hence, this can be called only for primitive type MPI_INT, MPI_DOUBLE, ...
- *
- * remark: MPI-1 has also the deprecated
- * int MPI_Type_extent(MPI_Datatype datatype, *MPI_Aint *extent);
- *
- **/
-int smpi_mpi_type_get_extent(MPI_Datatype datatype, MPI_Aint *lb, MPI_Aint *extent) {
-
- if ( DT_FLAG_COMMITED != (datatype-> flags & DT_FLAG_COMMITED) )
- return( MPI_ERR_TYPE );
- *lb = datatype->lb;
- *extent = datatype->ub - datatype->lb;
- return( MPI_SUCCESS );
-}
+#define CREATE_MPI_DATATYPE(name, type) \
+ static s_smpi_mpi_datatype_t mpi_##name = { \
+ sizeof(type), /* size */ \
+ 0, /* lb */ \
+ sizeof(type), /* ub = lb + size */ \
+ DT_FLAG_BASIC /* flags */ \
+ }; \
+ MPI_Datatype name = &mpi_##name;
+
+
+//The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC.
+typedef struct {
+ float value;
+ int index;
+} float_int;
+typedef struct {
+ long value;
+ int index;
+} long_int;
+typedef struct {
+ double value;
+ int index;
+} double_int;
+typedef struct {
+ short value;
+ int index;
+} short_int;
+typedef struct {
+ int value;
+ int index;
+} int_int;
+typedef struct {
+ long double value;
+ int index;
+} long_double_int;
+// Predefined data types
+CREATE_MPI_DATATYPE(MPI_CHAR, char);
+CREATE_MPI_DATATYPE(MPI_SHORT, short);
+CREATE_MPI_DATATYPE(MPI_INT, int);
+CREATE_MPI_DATATYPE(MPI_LONG, long);
+CREATE_MPI_DATATYPE(MPI_LONG_LONG, long long);
+CREATE_MPI_DATATYPE(MPI_SIGNED_CHAR, signed char);
+CREATE_MPI_DATATYPE(MPI_UNSIGNED_CHAR, unsigned char);
+CREATE_MPI_DATATYPE(MPI_UNSIGNED_SHORT, unsigned short);
+CREATE_MPI_DATATYPE(MPI_UNSIGNED, unsigned int);
+CREATE_MPI_DATATYPE(MPI_UNSIGNED_LONG, unsigned long);
+CREATE_MPI_DATATYPE(MPI_UNSIGNED_LONG_LONG, unsigned long long);
+CREATE_MPI_DATATYPE(MPI_FLOAT, float);
+CREATE_MPI_DATATYPE(MPI_DOUBLE, double);
+CREATE_MPI_DATATYPE(MPI_LONG_DOUBLE, long double);
+CREATE_MPI_DATATYPE(MPI_WCHAR, wchar_t);
+CREATE_MPI_DATATYPE(MPI_C_BOOL, _Bool);
+CREATE_MPI_DATATYPE(MPI_INT8_T, int8_t);
+CREATE_MPI_DATATYPE(MPI_INT16_T, int16_t);
+CREATE_MPI_DATATYPE(MPI_INT32_T, int32_t);
+CREATE_MPI_DATATYPE(MPI_INT64_T, int64_t);
+CREATE_MPI_DATATYPE(MPI_UINT8_T, uint8_t);
+CREATE_MPI_DATATYPE(MPI_UINT16_T, uint16_t);
+CREATE_MPI_DATATYPE(MPI_UINT32_T, uint32_t);
+CREATE_MPI_DATATYPE(MPI_UINT64_T, uint64_t);
+CREATE_MPI_DATATYPE(MPI_C_FLOAT_COMPLEX, float _Complex);
+CREATE_MPI_DATATYPE(MPI_C_DOUBLE_COMPLEX, double _Complex);
+CREATE_MPI_DATATYPE(MPI_C_LONG_DOUBLE_COMPLEX, long double _Complex);
+CREATE_MPI_DATATYPE(MPI_AINT, MPI_Aint);
+CREATE_MPI_DATATYPE(MPI_OFFSET, MPI_Offset);
+
+CREATE_MPI_DATATYPE(MPI_FLOAT_INT, float_int);
+CREATE_MPI_DATATYPE(MPI_LONG_INT, long_int);
+CREATE_MPI_DATATYPE(MPI_DOUBLE_INT, double_int);
+CREATE_MPI_DATATYPE(MPI_SHORT_INT, short_int);
+CREATE_MPI_DATATYPE(MPI_2INT, int_int);
+CREATE_MPI_DATATYPE(MPI_LONG_DOUBLE_INT, long_double_int);
+
+// Internal use only
+CREATE_MPI_DATATYPE(MPI_PTR, void*);
+
+
+size_t smpi_datatype_size(MPI_Datatype datatype)
+{
+ return datatype->size;
+}
-/**
- * query extent and lower bound of the type
- **/
-int SMPI_MPI_Type_get_extent( MPI_Datatype datatype, int *lb, int *extent)
+MPI_Aint smpi_datatype_lb(MPI_Datatype datatype)
{
- return( smpi_mpi_type_get_extent( datatype, lb, extent));
+ return datatype->lb;
}
-/**
- * query the size of the type
- **/
-int SMPI_MPI_Type_size(MPI_Datatype datatype, size_t * size)
+MPI_Aint smpi_datatype_ub(MPI_Datatype datatype)
{
- int retval = MPI_SUCCESS;
+ return datatype->ub;
+}
- smpi_bench_end();
+int smpi_datatype_extent(MPI_Datatype datatype, MPI_Aint * lb,
+ MPI_Aint * extent)
+{
+ int retval;
- if (NULL == datatype) {
+ if ((datatype->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
retval = MPI_ERR_TYPE;
- } else if (NULL == size) {
- retval = MPI_ERR_ARG;
} else {
- *size = datatype->size;
+ *lb = datatype->lb;
+ *extent = datatype->ub - datatype->lb;
+ retval = MPI_SUCCESS;
}
+ return retval;
+}
- smpi_bench_begin();
+int smpi_datatype_copy(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype)
+{
+ int retval, count;
+ /* First check if we really have something to do */
+ if (recvcount == 0) {
+ retval = sendcount == 0 ? MPI_SUCCESS : MPI_ERR_TRUNCATE;
+ } else {
+ /* FIXME: treat packed cases */
+ sendcount *= smpi_datatype_size(sendtype);
+ recvcount *= smpi_datatype_size(recvtype);
+ count = sendcount < recvcount ? sendcount : recvcount;
+ memcpy(recvbuf, sendbuf, count);
+ retval = sendcount > recvcount ? MPI_ERR_TRUNCATE : MPI_SUCCESS;
+ }
return retval;
}
+typedef struct s_smpi_mpi_op {
+ MPI_User_function *func;
+} s_smpi_mpi_op_t;
+
+#define MAX_OP(a, b) (b) = (a) < (b) ? (b) : (a)
+#define MIN_OP(a, b) (b) = (a) < (b) ? (a) : (b)
+#define SUM_OP(a, b) (b) += (a)
+#define PROD_OP(a, b) (b) *= (a)
+#define LAND_OP(a, b) (b) = (a) && (b)
+#define LOR_OP(a, b) (b) = (a) || (b)
+#define LXOR_OP(a, b) (b) = (!(a) && (b)) || ((a) && !(b))
+#define BAND_OP(a, b) (b) &= (a)
+#define BOR_OP(a, b) (b) |= (a)
+#define BXOR_OP(a, b) (b) ^= (a)
+#define MAXLOC_OP(a, b) (b) = (a.value) < (b.value) ? (b) : (a)
+#define MINLOC_OP(a, b) (b) = (a.value) < (b.value) ? (a) : (b)
+//TODO : MINLOC & MAXLOC
+
+#define APPLY_FUNC(a, b, length, type, func) \
+ { \
+ int i; \
+ type* x = (type*)(a); \
+ type* y = (type*)(b); \
+ for(i = 0; i < *(length); i++) { \
+ func(x[i], y[i]); \
+ } \
+ }
+
+static void max_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, MAX_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, MAX_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, MAX_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, MAX_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, MAX_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, MAX_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, MAX_OP);
+ } else if (*datatype == MPI_FLOAT) {
+ APPLY_FUNC(a, b, length, float, MAX_OP);
+ } else if (*datatype == MPI_DOUBLE) {
+ APPLY_FUNC(a, b, length, double, MAX_OP);
+ } else if (*datatype == MPI_LONG_DOUBLE) {
+ APPLY_FUNC(a, b, length, long double, MAX_OP);
+ }
+}
+
+static void min_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, MIN_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, MIN_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, MIN_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, MIN_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, MIN_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, MIN_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, MIN_OP);
+ } else if (*datatype == MPI_FLOAT) {
+ APPLY_FUNC(a, b, length, float, MIN_OP);
+ } else if (*datatype == MPI_DOUBLE) {
+ APPLY_FUNC(a, b, length, double, MIN_OP);
+ } else if (*datatype == MPI_LONG_DOUBLE) {
+ APPLY_FUNC(a, b, length, long double, MIN_OP);
+ }
+}
+
+static void sum_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, SUM_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, SUM_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, SUM_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, SUM_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, SUM_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, SUM_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, SUM_OP);
+ } else if (*datatype == MPI_FLOAT) {
+ APPLY_FUNC(a, b, length, float, SUM_OP);
+ } else if (*datatype == MPI_DOUBLE) {
+ APPLY_FUNC(a, b, length, double, SUM_OP);
+ } else if (*datatype == MPI_LONG_DOUBLE) {
+ APPLY_FUNC(a, b, length, long double, SUM_OP);
+ } else if (*datatype == MPI_C_FLOAT_COMPLEX) {
+ APPLY_FUNC(a, b, length, float _Complex, SUM_OP);
+ } else if (*datatype == MPI_C_DOUBLE_COMPLEX) {
+ APPLY_FUNC(a, b, length, double _Complex, SUM_OP);
+ } else if (*datatype == MPI_C_LONG_DOUBLE_COMPLEX) {
+ APPLY_FUNC(a, b, length, long double _Complex, SUM_OP);
+ }
+}
+
+static void prod_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, PROD_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, PROD_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, PROD_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, PROD_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, PROD_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, PROD_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, PROD_OP);
+ } else if (*datatype == MPI_FLOAT) {
+ APPLY_FUNC(a, b, length, float, PROD_OP);
+ } else if (*datatype == MPI_DOUBLE) {
+ APPLY_FUNC(a, b, length, double, PROD_OP);
+ } else if (*datatype == MPI_LONG_DOUBLE) {
+ APPLY_FUNC(a, b, length, long double, PROD_OP);
+ } else if (*datatype == MPI_C_FLOAT_COMPLEX) {
+ APPLY_FUNC(a, b, length, float _Complex, PROD_OP);
+ } else if (*datatype == MPI_C_DOUBLE_COMPLEX) {
+ APPLY_FUNC(a, b, length, double _Complex, PROD_OP);
+ } else if (*datatype == MPI_C_LONG_DOUBLE_COMPLEX) {
+ APPLY_FUNC(a, b, length, long double _Complex, PROD_OP);
+ }
+}
+
+static void land_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, LAND_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, LAND_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, LAND_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, LAND_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, LAND_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, LAND_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, LAND_OP);
+ } else if (*datatype == MPI_C_BOOL) {
+ APPLY_FUNC(a, b, length, _Bool, LAND_OP);
+ }
+}
+
+static void lor_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, LOR_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, LOR_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, LOR_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, LOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, LOR_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, LOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, LOR_OP);
+ } else if (*datatype == MPI_C_BOOL) {
+ APPLY_FUNC(a, b, length, _Bool, LOR_OP);
+ }
+}
+
+static void lxor_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, LXOR_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, LXOR_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, LXOR_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, LXOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, LXOR_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, LXOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, LXOR_OP);
+ } else if (*datatype == MPI_C_BOOL) {
+ APPLY_FUNC(a, b, length, _Bool, LXOR_OP);
+ }
+}
+
+static void band_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, BAND_OP);
+ }
+ if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, BAND_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, BAND_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, BAND_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, BAND_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, BAND_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, BAND_OP);
+ } else if (*datatype == MPI_BYTE) {
+ APPLY_FUNC(a, b, length, uint8_t, BAND_OP);
+ }
+}
+
+static void bor_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, BOR_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, BOR_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, BOR_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, BOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, BOR_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, BOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, BOR_OP);
+ } else if (*datatype == MPI_BYTE) {
+ APPLY_FUNC(a, b, length, uint8_t, BOR_OP);
+ }
+}
-/* Deprecated Functions.
- * The MPI-2 standard deprecated a number of routines because MPI-2 provides better versions.
- * This routine is one of those that was deprecated. The routine may continue to be used, but
- * new code should use the replacement routine. The replacement for this routine is MPI_Type_Get_extent.
- **/
-int SMPI_MPI_Type_ub( MPI_Datatype datatype, MPI_Aint *displacement)
+static void bxor_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
{
- if ( DT_FLAG_COMMITED != (datatype->flags & DT_FLAG_COMMITED) )
- return( MPI_ERR_TYPE );
- *displacement = datatype->ub;
- return( MPI_SUCCESS );
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, BXOR_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, BXOR_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, BXOR_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, BXOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, BXOR_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, BXOR_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, BXOR_OP);
+ } else if (*datatype == MPI_BYTE) {
+ APPLY_FUNC(a, b, length, uint8_t, BXOR_OP);
+ }
}
-int SMPI_MPI_Type_lb( MPI_Datatype datatype, MPI_Aint *displacement)
+
+static void minloc_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_FLOAT_INT) {
+ APPLY_FUNC(a, b, length, float_int, MINLOC_OP);
+ } else if (*datatype == MPI_LONG_INT) {
+ APPLY_FUNC(a, b, length, long_int, MINLOC_OP);
+ } else if (*datatype == MPI_DOUBLE_INT) {
+ APPLY_FUNC(a, b, length, double_int, MINLOC_OP);
+ } else if (*datatype == MPI_SHORT_INT) {
+ APPLY_FUNC(a, b, length, short_int, MINLOC_OP);
+ } else if (*datatype == MPI_2INT) {
+ APPLY_FUNC(a, b, length, int_int, MINLOC_OP);
+ } else if (*datatype == MPI_LONG_DOUBLE_INT) {
+ APPLY_FUNC(a, b, length, long_double_int, MINLOC_OP);
+ }
+}
+
+static void maxloc_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_FLOAT_INT) {
+ APPLY_FUNC(a, b, length, float_int, MAXLOC_OP);
+ } else if (*datatype == MPI_LONG_INT) {
+ APPLY_FUNC(a, b, length, long_int, MAXLOC_OP);
+ } else if (*datatype == MPI_DOUBLE_INT) {
+ APPLY_FUNC(a, b, length, double_int, MAXLOC_OP);
+ } else if (*datatype == MPI_SHORT_INT) {
+ APPLY_FUNC(a, b, length, short_int, MAXLOC_OP);
+ } else if (*datatype == MPI_2INT) {
+ APPLY_FUNC(a, b, length, int_int, MAXLOC_OP);
+ } else if (*datatype == MPI_LONG_DOUBLE_INT) {
+ APPLY_FUNC(a, b, length, long_double_int, MAXLOC_OP);
+ }
+}
+
+
+#define CREATE_MPI_OP(name, func) \
+ static s_smpi_mpi_op_t mpi_##name = { &(func) /* func */ }; \
+ MPI_Op name = &mpi_##name;
+
+CREATE_MPI_OP(MPI_MAX, max_func);
+CREATE_MPI_OP(MPI_MIN, min_func);
+CREATE_MPI_OP(MPI_SUM, sum_func);
+CREATE_MPI_OP(MPI_PROD, prod_func);
+CREATE_MPI_OP(MPI_LAND, land_func);
+CREATE_MPI_OP(MPI_LOR, lor_func);
+CREATE_MPI_OP(MPI_LXOR, lxor_func);
+CREATE_MPI_OP(MPI_BAND, band_func);
+CREATE_MPI_OP(MPI_BOR, bor_func);
+CREATE_MPI_OP(MPI_BXOR, bxor_func);
+CREATE_MPI_OP(MPI_MAXLOC, maxloc_func);
+CREATE_MPI_OP(MPI_MINLOC, minloc_func);
+
+MPI_Op smpi_op_new(MPI_User_function * function, int commute)
+{
+ MPI_Op op;
+
+ //FIXME: add commute param
+ op = xbt_new(s_smpi_mpi_op_t, 1);
+ op->func = function;
+ return op;
+}
+
+void smpi_op_destroy(MPI_Op op)
+{
+ xbt_free(op);
+}
+
+void smpi_op_apply(MPI_Op op, void *invec, void *inoutvec, int *len,
+ MPI_Datatype * datatype)
{
- if ( DT_FLAG_COMMITED != (datatype->flags & DT_FLAG_COMMITED) )
- return( MPI_ERR_TYPE );
- *displacement = datatype->lb;
- return( MPI_SUCCESS );
+ op->func(invec, inoutvec, len, datatype);
}